Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379441 | Tire tread | William Urbano Villamizar, Richard Heinen, Alain Alphonse Z. S. Klepper, Maurice Graas | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379441 | Tire tread | William Urbano Villamizar, Richard Heinen, Alain Alphonse Z. S. Klepper, Maurice Graas | 1997-05-27 |